As fears grow that the United States is preparing to plunge over the 'fiscal cliff', billionaire investor Warren Buffett has predicted that women will save the American economy, billionaire investor Warren Buffett has predicted.

Buffett, the so-called 'Sage of Omaha' said that affording women the same prospects to succeed as men was key to a bright economic future.

He said that his is the 'only thing' that makes him so optimistic about the future.

According to the Telegraph, Buffett's remarks came during an interview with fellow philanthropist Melinda Gates, with BBC Radio 4.